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Electronics Fundamentals - Introduction to Resistors

 In the previous post we discussed about voltage, and current. In this post we will know more about the relationship between Voltage and Current i.e. Resist ors (unit s ymb ol:  Ω or ohm ) - heart of electronics! The interesting I versus V characteristics that can be useful are: Resistors: I proportional to V Capacitors: I proportional to rate of change of V Diodes: I flows in one direction Thermistors: Temperature dependent resistors Photoresistors: Light dependent resistors Fig: Resistor. TYPES OF RESISTORS: > Wirewound Ceramic Power Resistors:  Example Datasheet 1 20W vitreous enamel with leads ( view datasheet for more examples and types). 30W vitreous enamel 5W and 20W with mounting studs 20W Resistor with mounting studs > Wirewound Power Resistors: Example Datasheet 2 1W, 3W, and 5W axial ceramic 5W, 10W, and 25W conduction cooled / Dale-Type 50W conduction cooled (Dale-Type) > Carbon, Surface-Mount Resistors, and other types: 2W, 1W, 1/2W, 1/4W, and 1/8W Carbon compos

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